KR20010112402A - 광 픽업의 광학계 - Google Patents

광 픽업의 광학계 Download PDF

Info

Publication number
KR20010112402A
KR20010112402A KR1020017012706A KR20017012706A KR20010112402A KR 20010112402 A KR20010112402 A KR 20010112402A KR 1020017012706 A KR1020017012706 A KR 1020017012706A KR 20017012706 A KR20017012706 A KR 20017012706A KR 20010112402 A KR20010112402 A KR 20010112402A
Authority
KR
South Korea
Prior art keywords
wavelength
laser light
optical
objective lens
light
Prior art date
Application number
KR1020017012706A
Other languages
English (en)
Korean (ko)
Inventor
마루야마고이치
Original Assignee
마츠모토 도루
아사히 고가쿠 고교 가부시키가이샤
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 마츠모토 도루, 아사히 고가쿠 고교 가부시키가이샤 filed Critical 마츠모토 도루
Publication of KR20010112402A publication Critical patent/KR20010112402A/ko

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1372—Lenses
    • G11B7/1374—Objective lenses
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1353—Diffractive elements, e.g. holograms or gratings
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1372—Lenses
    • G11B7/1378—Separate aberration correction lenses; Cylindrical lenses to generate astigmatism; Beam expanders
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD
KR1020017012706A 1999-04-23 2000-04-20 광 픽업의 광학계 KR20010112402A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-1999-00117213 1999-04-23
JP11721399A JP4060007B2 (ja) 1999-04-23 1999-04-23 光ディスク装置の光学系
PCT/JP2000/002609 WO2000065583A1 (en) 1999-04-23 2000-04-20 Optical system of optical pick-up

Publications (1)

Publication Number Publication Date
KR20010112402A true KR20010112402A (ko) 2001-12-20

Family

ID=14706203

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020017012706A KR20010112402A (ko) 1999-04-23 2000-04-20 광 픽업의 광학계

Country Status (7)

Country Link
US (1) US6791932B1 (zh)
JP (1) JP4060007B2 (zh)
KR (1) KR20010112402A (zh)
CN (1) CN1136562C (zh)
DE (1) DE10084505T1 (zh)
TW (1) TW469347B (zh)
WO (1) WO2000065583A1 (zh)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001026103A1 (fr) * 1999-10-06 2001-04-12 Sony Corporation Lentille d'objectif et capteur optique
JP4644891B2 (ja) * 1999-11-19 2011-03-09 コニカミノルタホールディングス株式会社 対物レンズ及び光ピックアップ装置
US20020105892A1 (en) * 2000-06-06 2002-08-08 Seiji Onishi Optical pickup device
JP4903300B2 (ja) 2000-07-31 2012-03-28 旭硝子株式会社 光学装置
EP1226580B1 (en) * 2000-09-25 2005-02-16 Koninklijke Philips Electronics N.V. Optical scanning device
TW546488B (en) * 2000-09-27 2003-08-11 Pentax Corp Optical system for optical pickup head
TW556178B (en) 2000-10-26 2003-10-01 Konishiroku Photo Ind Optical pickup apparatus and objective lens
CN1248209C (zh) * 2001-04-05 2006-03-29 皇家菲利浦电子有限公司 光学扫描装置
TW535001B (en) * 2001-06-13 2003-06-01 Pentax Corp Objective lens for optical pick-up
EP1313095B1 (en) * 2001-11-15 2008-10-15 Samsung Electronics Co. Ltd. Compatible optical pickup
JP2009070560A (ja) * 2002-02-22 2009-04-02 Konica Minolta Holdings Inc 光ピックアップ装置の対物光学素子、光ピックアップ装置及び光情報記録再生装置
JP2004327003A (ja) * 2002-07-26 2004-11-18 Sharp Corp 光ピックアップ
JP4563468B2 (ja) * 2002-07-26 2010-10-13 シャープ株式会社 光ピックアップ
JP2004253111A (ja) * 2003-01-31 2004-09-09 Sharp Corp 光ピックアップ装置
JP2004264815A (ja) * 2003-02-13 2004-09-24 Konica Minolta Holdings Inc 対物レンズ、光ピックアップ装置及び光情報記録再生装置
JP2005209325A (ja) * 2003-12-25 2005-08-04 Konica Minolta Opto Inc 光ピックアップ装置
CN1788310B (zh) * 2004-04-27 2010-06-16 柯尼卡美能达精密光学株式会社 物镜及光拾取装置
JP2006114081A (ja) * 2004-10-12 2006-04-27 Konica Minolta Opto Inc 対物レンズ及び光ピックアップ装置
WO2006046465A1 (ja) * 2004-10-29 2006-05-04 Konica Minolta Opto, Inc. 対物レンズ、光ピックアップ装置及び光ディスクドライブ装置
KR100680171B1 (ko) * 2005-01-25 2007-02-08 삼성전자주식회사 호환형 광픽업
JP4404092B2 (ja) * 2005-02-10 2010-01-27 コニカミノルタオプト株式会社 対物レンズ、光ピックアップ装置及び光情報記録再生装置
JP2009087423A (ja) * 2007-09-28 2009-04-23 Sony Optiarc Inc 光ピックアップ装置、光記録媒体駆動装置及び信号の記録／再生方法
WO2011033787A1 (ja) * 2009-09-17 2011-03-24 パナソニック株式会社 対物レンズ素子
JP2012155844A (ja) * 2012-05-23 2012-08-16 Konica Minolta Holdings Inc 光ピックアップ装置及びその対物レンズ

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4323971C2 (de) 1992-07-16 2002-11-07 Asahi Optical Co Ltd Schreib-/Lesegerät für eine optische Speicherplatte
JPH07311337A (ja) 1994-03-24 1995-11-28 Asahi Optical Co Ltd 光情報記録再生装置
DE69627752T2 (de) * 1995-06-05 2003-10-16 Nec Corp Optische Wiedergabekopfvorrichtung für verschiedene Plattentypen
US5838496A (en) 1995-08-28 1998-11-17 Asahi Kogaku Kogyo Kabushiki Kaisha Diffractive multi-focal objective lens
US5835473A (en) * 1996-01-17 1998-11-10 Asahi Glass Company Ltd. Optical pick-up, optical data recording apparatus and objective lens for optical data recording material
US6061324A (en) * 1996-10-23 2000-05-09 Konica Corporation Method for recording/reproducing optical information recording medium, optical pickup apparatus, objective lens and design method of objective lens
JP3653923B2 (ja) * 1997-03-19 2005-06-02 ソニー株式会社 記録再生装置および方法
KR100209918B1 (ko) 1997-03-28 1999-07-15 윤종용 홀로그램형링렌즈를 사용하여 cd-r과 호환하는 dvd용 광픽업
JPH11183795A (ja) 1997-12-22 1999-07-09 Matsushita Electric Ind Co Ltd 対物レンズ及び光ヘッド装置
US6088322A (en) 1998-05-07 2000-07-11 Broome; Barry G. Single objective lens for use with CD or DVD optical disks
TW432225B (en) * 1998-06-03 2001-05-01 Konishiroku Photo Ind Optical pickup apparatus
US6349083B1 (en) * 1998-07-13 2002-02-19 Konica Corporation Near field type optical disk recording reproducing apparatus, optical information recording medium recording reproducing apparatus, pickup apparatus, objective lens

Also Published As

Publication number Publication date
TW469347B (en) 2001-12-21
CN1136562C (zh) 2004-01-28
JP4060007B2 (ja) 2008-03-12
DE10084505T1 (de) 2002-05-29
WO2000065583A1 (en) 2000-11-02
JP2000311374A (ja) 2000-11-07
US6791932B1 (en) 2004-09-14
CN1347555A (zh) 2002-05-01

Similar Documents

Publication Publication Date Title
KR20010112402A (ko) 광 픽업의 광학계
US6118594A (en) Objective lens for optical pick-up
JP3689266B2 (ja) 光ヘッド用対物レンズ
JP4666563B2 (ja) 光走査装置
KR100457300B1 (ko) 광학적 픽업장치의 광학시스템
US6760295B1 (en) Optical pick-up
JP2004005943A (ja) 記録再生用光学系、対物レンズ、収差補正用光学素子、光ピックアップ装置、及び記録再生装置
US6480344B1 (en) Objective lens for optical pick-up
JP4259067B2 (ja) 光ピックアップ装置の対物光学素子、光ピックアップ装置及び光情報記録再生装置
US6473387B1 (en) Optical disc apparatus
JP4216155B2 (ja) 光記録媒体用対物光学系およびこれを用いた光ピックアップ装置
KR100617350B1 (ko) 광헤드용 대물렌즈
KR20060052094A (ko) 대물 렌즈 및 광픽업 장치
JP2000260056A (ja) 複合対物レンズ，球面収差補正素子及び光情報記録再生装置
US6781764B1 (en) Objective lens for optical pick-up
US6667943B1 (en) Optical disc apparatus
JP3911104B2 (ja) 光情報記録再生装置の光学系
US6775064B2 (en) Objective lens for optical pick-up
JP4958022B2 (ja) 光ピックアップ装置
JP2004326868A (ja) 対物光学素子及び光ピックアップ装置
JP4488334B2 (ja) 光ディスク用対物レンズ
JP5170588B2 (ja) 光ピックアップ装置の対物光学素子、光ピックアップ装置及び光情報記録再生装置
US20040202087A1 (en) Objective lens for different optical recording media and an optical pickup device utilizing it
JPH1164724A (ja) 光ディスク用対物レンズ及びそれを用いた光ヘッド装置
JP2004198839A (ja) 光ディスク用の対物レンズ及び対物光学系、並びにこれらを用いた光ヘッド装置

Legal Events

Date Code Title Description
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid